NOVA"Mystery of Easter Island"
On Easter Island, a tiny, remote rock in the Pacific, stand nearly 900 stone statues weighing up to 86 tons. How and why did ancient islanders build and move these giant figures? NOVA investigates questions that have mystified the world for centuries. D

6:00 pm

Super Skyscrapers"The Vertical City"
Shanghai Tower is a collection of businesses, services and hotels all in one place, fitting a population the size of Monaco into a footprint the size of a football field. When complete, the structure will dominate Shanghai's skyline, towering 120 stories over its neighbors as a testament to China's economic success and the ambitions of the city's wealthy elite. Part 3 of 4G

7:00 pm

America Revealed"Electric Nation"
Called the biggest, most complex machine in the world, Yul Kwon travels the country to understand how more than 200,000 miles of high-tension transmission lines deliver electricity to the nation and learn the intricacies and vulnerabilities of the system. He joins a live wire repair team who do their daring repairs from the side of a helicopter in flight, visits the country's largest coal mine, and rappels down the side of a wind turbine.G

Nightly Business Report
Tonight on Nightly Business Report, Wal-Mart, the world's largest retailer, says it won't earn as much money this year as many had hoped. What's holding Wal-Mart back? And, Facebook pays a whopping $ 16b for WhatsApp, a company few have heard of before today. How does it make money and who are the guys behind it?. D

Super Skyscrapers"The Vertical City"
Shanghai Tower is a collection of businesses, services and hotels all in one place, fitting a population the size of Monaco into a footprint the size of a football field. When complete, the structure will dominate Shanghai's skyline, towering 120 stories over its neighbors as a testament to China's economic success and the ambitions of the city's wealthy elite. Part 3 of 4G